ddidderr/zstd-rs
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fixed tautological tests

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involving ZSTD_TARGETLENGTH_MIN (== 0)
This commit is contained in:
Yann Collet
2018-09-21 15:04:43 -07:00
parent c044345f8f
commit 32b7cf1bcf
4 changed files with 7 additions and 3 deletions
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lib/compress/zstd_compress.c
+6 -2
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@@ -679,7 +679,9 @@ size_t ZSTD_checkCParams(ZSTD_compressionParameters cParams)
CLAMPCHECK(cParams.hashLog, ZSTD_HASHLOG_MIN, ZSTD_HASHLOG_MAX);
CLAMPCHECK(cParams.searchLog, ZSTD_SEARCHLOG_MIN, ZSTD_SEARCHLOG_MAX);
CLAMPCHECK(cParams.searchLength, ZSTD_SEARCHLENGTH_MIN, ZSTD_SEARCHLENGTH_MAX);
CLAMPCHECK(cParams.targetLength, ZSTD_TARGETLENGTH_MIN, ZSTD_TARGETLENGTH_MAX);
ZSTD_STATIC_ASSERT(ZSTD_TARGETLENGTH_MIN == 0);
if (cParams.targetLength > ZSTD_TARGETLENGTH_MAX)
return ERROR(parameter_outOfBound);
if ((U32)(cParams.strategy) > (U32)ZSTD_btultra)
return ERROR(parameter_unsupported);
return 0;
@@ -700,7 +702,9 @@ ZSTD_clampCParams(ZSTD_compressionParameters cParams)
CLAMP(cParams.hashLog, ZSTD_HASHLOG_MIN, ZSTD_HASHLOG_MAX);
CLAMP(cParams.searchLog, ZSTD_SEARCHLOG_MIN, ZSTD_SEARCHLOG_MAX);
CLAMP(cParams.searchLength, ZSTD_SEARCHLENGTH_MIN, ZSTD_SEARCHLENGTH_MAX);
CLAMP(cParams.targetLength, ZSTD_TARGETLENGTH_MIN, ZSTD_TARGETLENGTH_MAX);
ZSTD_STATIC_ASSERT(ZSTD_TARGETLENGTH_MIN == 0);
if (cParams.targetLength > ZSTD_TARGETLENGTH_MAX)
cParams.targetLength = ZSTD_TARGETLENGTH_MAX;
CLAMP(cParams.strategy, ZSTD_fast, ZSTD_btultra);
return cParams;
}